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Idle Speed Screw (Plastic) for Honda GX200 / Clone Carburetors
308080006 Tillotson Clone Plastic Idle Speed Screw
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Idle Speed Screw (Plastic) for Honda GX200 / Clone Carburetors

Part Number: 308080006
Online Price: $0.99
Plastic Idle Speed Screw for Honda GX200, Clone, and Predator Carburetors
Availability: In Stock.

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Description

Idle Speed Screw (Plastic) for Honda GX200 / Clone Carburetors – Throttle Adjustment Component


Fine-tune your engine’s idle with this Plastic Idle Speed Screw, designed to set the throttle shutter’s closing position and regulate airflow through the carburetor at low RPM. This screw is essential for setting a smooth, stable idle—typically recommended at 1,200 to 1,500 RPM for most small engines.


The 308080006 Idle Speed Screw is compatible with a wide range of clone-style carburetors, including popular models like Tillotson PK-1, Huayi, Ruixing, and SP carburetors. It's a reliable replacement for tuning your Honda GX200-based engine or clone, whether you’re building for racing, recreation, or commercial use.


Key Features:

  • Precise Idle Adjustment – Controls throttle butterfly position to manage idle engine speed
  • OEM-Compatible Replacement – Direct fit for most clone-style carburetors
  • Durable Plastic Construction – Lightweight, resistant to vibration and wear
  • Easy to Install & Adjust – Ideal for performance tuning and regular maintenance


?? Fits the Following Engines & Carburetors:

Clone Carburetors:

  • Tillotson PK-1
  • Huayi
  • Ruixing
  • SP Carburetors

Small Block Engines:

  • Honda GX200 / Clone (196cc)
  • Tillotson 196 / 212
  • Wildcat 223
  • Ducar 196 / 212 / 224
  • Predator 212 (Hemi & Non-Hemi)
  • Predator 224 (Non-Hemi)

Big Block Engines:

  • Honda GX390 / Clone (390cc)
  • Predator 420
  • Wildcat 460


Upgrade your carburetor’s precision and control with this essential idle speed screw, built for durability and wide compatibility across popular small engine platforms.

FAQ

Q1: What does the idle speed screw do?
A1: The idle speed screw adjusts the closing position of the throttle shutter to control airflow through the carburetor, helping maintain a stable engine idle—typically around 1,200–1,500 RPM.


Q2: What engines and carburetors is this screw compatible with?
A2: It fits most clone carburetors, including Tillotson PK-1, Huayi, Ruixing, and SP carburetors. Compatible engines include Honda GX200, Predator 212/224, Wildcat 223/460, Ducar 196/212/224, and GX390/Predator 420.


Q3: Is this screw made of metal or plastic?
A3: It’s made of high-quality plastic, designed for durability, vibration resistance, and ease of adjustment.


Q4: Is this part suitable for performance engines or racing builds?
A4: Yes! It’s commonly used in both standard and performance builds where precise idle control is essential, especially with upgraded carburetors or flywheels.


Q5: How do I adjust the idle with this screw?
A5: Turn the screw clockwise to increase idle speed or counterclockwise to lower it. Always adjust with the engine warm and running, and use a tachometer for accuracy when possible.

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